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Expanding single brackets

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  • -5 ( -4 -3b)
    20 + 12b
  • a square of side length y cm, its perimeter =
    4y
  • -2 ( y -4)
    -2y + 8
  • 9 ( x² + 4)
    9 x² + 36
  • 7( 2x + 3Y)
    14x + 21y
  • -7 (3 -b)
    -21 + 3b
  • 3(t-7)
    3t - 21
  • 3( t + 2y)
    3t + 6y
  • an equilateral triangle with side length = a cm, its perimeter =
    3a
  • 3 ( 4z - 3d + 5)
    12z - 9d + 15
  • B times by B is ...
    B squared or B²
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